Radial motorcycle engine with multiple cylinders



FIG. 1 is a perspective view of the motorcycle engine with multiple cylinders;

FIG. 2 is a front view of the motorcycle engine with multiple cylinders;

FIG. 3 is a rear view of the motorcycle engine with multiple cylinders; and,

FIG. 4 is a side view of the radial motorcycle engine with multiple cylinders, the opposite side being a mirror image.

The broken line features are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a radial motorcycle engine with multiple cylinders. 